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Expand the truncate tests

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Check that the data is expanded with zeros.
This commit is contained in:
Matthias Clasen 2013-12-15 21:06:35 -05:00
parent 453a69534c
commit 5ccdf2b86a
1 changed files with 21 additions and 1 deletions
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22
gio/tests/memory-output-stream.c
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@ -31,6 +31,7 @@ test_truncate (void)
GDataOutputStream *o; GDataOutputStream *o;
int i; int i;
GError *error = NULL; GError *error = NULL;
guint8 *data;
g_test_bug ("540423"); g_test_bug ("540423");
@ -42,19 +43,38 @@ test_truncate (void)
g_data_output_stream_put_byte (o, 1, NULL, &error); g_data_output_stream_put_byte (o, 1, NULL, &error);
g_assert_no_error (error); g_assert_no_error (error);
} }
g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 1000);
g_seekable_truncate (G_SEEKABLE (mo), 0, NULL, &error); g_seekable_truncate (G_SEEKABLE (mo), 0, NULL, &error);
g_assert_cmpuint (g_seekable_tell (G_SEEKABLE (mo)), ==, 1000);
g_assert_no_error (error); g_assert_no_error (error);
g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 0);
for (i = 0; i < 2000; i++) for (i = 0; i < 2000; i++)
{ {
g_data_output_stream_put_byte (o, 1, NULL, &error); g_data_output_stream_put_byte (o, 2, NULL, &error);
g_assert_no_error (error); g_assert_no_error (error);
} }
g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 3000);
data = (guint8 *)g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mo));
/* The 1's written initially were lost when we truncated to 0
* and then started writing at position 1000.
*/
for (i = 0; i < 1000; i++)
g_assert_cmpuint (data[i], ==, 0);
for (i = 1000; i < 3000; i++)
g_assert_cmpuint (data[i], ==, 2);
g_test_bug ("720080"); g_test_bug ("720080");
g_seekable_truncate (G_SEEKABLE (mo), 8192, NULL, &error); g_seekable_truncate (G_SEEKABLE (mo), 8192, NULL, &error);
g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 8192); g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 8192);
data = (guint8 *)g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mo));
for (i = 3000; i < 8192; i++)
g_assert_cmpuint (data[i], ==, 0);
g_object_unref (o); g_object_unref (o);
g_object_unref (mo); g_object_unref (mo);
} }